FormatCheck.yml: add reviewdog

Author: alyst

.github/workflows/FormatCheck.yml

@@ -7,4 +7,7 @@ jobs:
   code-style:
     runs-on: ubuntu-latest
     steps:
-    - uses: julia-actions/julia-format@v2
+        - uses: actions/checkout@v4
+        - uses: julia-actions/julia-format@v2
+        - uses: reviewdog/action-setup@v1
+        - run: reviewdog -version